Feature comparision chart

According to Conexant product brief, there are following differences between versions of chipset

Capability

CX23100

CX23101

CX23102

USB interface

✔ Yes

✘ No

✔ Yes

Broadcast Audio/Video

✘ No

✔ Yes

✔ Yes

Integrated Analog IF Demodulator

✘ No

✔ Yes

✔ Yes

Transport Stream Interface

✔ Yes

✘ No

✔ Yes

Linux Support

The CX2310x series of chips is supported in Linux through the cx231xx driver. There are two reference designs by Conexant that are explicity named in the driver. All other cards are listed as 'unknown'